Wireless charger



FIG. 1 is a front, right perspective view of a wireless charger showing our new design;

FIG. 2 is a rear, top, left perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a bottom view thereof; and,

FIG. 9 is an enlarged view of portion 9 in FIG. 2.

The dash-dash broken lines in the drawings illustrate portions of the article that form no part of the claimed design. The dot-dash circle illustrates a boundary of the portion shown enlarged in FIG. 9, and forms no part of the claimed design. 

CLAIM The ornamental design for a wireless charger, as shown and described. 